Hair brush



FIG. 1 is a top view of a hair brush in accordance with the new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a top perspective view thereof. 

CLAIM The ornamental design for a hair brush, as shown and described. 